EntityClearer

Changes:

• Added support for 1.21.6
• Bumped minimum Java version to 21
• Bumped minimum version to 1.20.5
• Updated dependencies
• Updated the javadoc links in the config to redirect to latest (custom domain until Paper makes it themselves)
• Dropped Spigot support
  • If for some reason you're still on Spigot, either download the finalized Spigot version here or switch to Paper (recommended) here

The config changes can be found here and here